Corrosion Resistant Valves

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Corrosion Resistant Valves Solve Chlorine Injection Problems in Cooling Water System

15% Chlorine/Process Cooling Water Injection

A chlorine injection skid was being designed by an engineering firm in Houston for the delivery of 15% chlorine to the cooling water for newly installed fractionators at a nearby refinery. The system designer contacted Plast-O-Matic Valves, Inc. for assistance with the delivery system. 

The 15% chlorine is contained in a 5,000-gallon storage tank that is installed on a steel platform built above a cooling water lake inside the barrier of the refinery plant. The same platform holds the pumping system as well as the chlorine injection manifold enclosure that holds the piping and valving responsible for delivering the chlorine. 

Precise Dosing is Critical, Five Football Fields Away

The structure sits directly above the inlet piping of the cooling water being pulled from the lake and delivered to the fractionators that are approximately 1500 LF away. A chlorine analyzer positioned at the inlet of the fractionators determines the chlorine content of the water being provided to the fractionators for cooling purposes. 

Plast-O-Matic recommended solenoid valve Series EAST in Corzan CPVC for its chemical compatibility, PTFE bellows design to prevent emissions, redundant upper seal, and instant on/off for precise control.

When more chlorine is required, the analyzer sends a signal to the chlorine manifold on the skid to open one, two or all three Plast-O-Matic solenoid valves. This releases chlorine just in front of the cooling water inlet piping that is below the water level of the lake.

For more information on Series EAST PTFE bellows design, please click here

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Plast-O-Matic Valves, Inc.
When it comes to thermoplastic valves and controls, we are the problem solvers.
Founded in 1967, Plast-O-Matic Valves' ongoing mission is to provide unparalleled customer satisfaction while continually advancing the technology of liquid pressure and flow control. As the quality leader in the development of thermoplastic valves and controls for corrosive and ultra-pure liquids, POM provides a complete line of standard and custom designed solutions for difficult applications. The company is committed to product innovation, engineering excellence, precision manufacturing, 100% quality testing, and hands-on technical assistance. ISO 9001:2015 Registered.

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